Time that Brits put their thinking caps on!
Clearly, it was time to put on a new thinking cap.
I still have my thinking cap on.
"The kids had their thinking caps on as far as what we wanted to do with our game plan."
Then, metaphorically of course, I put my thinking cap on.
I'll put on the ol' thinking cap, son, and try and come up with someone crazy enough for a round cross Kentucky.
The rooms were equipped with individual thinking caps connected to the main memory banks.
Any citizen has the right to go to a public thinking cap and requisition an information from the Rememberers on any given subject.
If you want to do something in your own special way, put on your creative thinking cap.
It was a quantum leap from the old thinking cap; her score soared.